So the passive LC network is used as a prototype for building a corresponding active network by leap-frog method.
因此，以无源lc网络为原型，利用跳耦法设计对应的有源电路。
In a TED talk in 2007, Jan Fishman, an analyst for Frog Design, a global innovation firm, outlined a common method of banking using a cell phone where there are no Banks.
2007年在一个TED讲座中，全球创意设计公司Frog Design的分析师扬菲什曼概述了在没有银行的地方用手机存钱的常见方法。
The present invention discloses welding repair method and welding wire for steel rail, Bell frog and switch rail.
本发明公开了一种钢轨、贝尔岔心和尖轨的焊修方法及其焊丝。
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